United States / Grow / Butterfly Bush

Butterfly Bush (Buddleia)
Photo: (c) John Barkla, some rights reserved (CC BY) (CC BY), via iNaturalist. Species-typical, not necessarily this cultivar.

Butterfly Bush

Buddleia · Scrophulariaceae · also called Buddleia (sterile varieties)

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Is this one for your yard?

Enter your ZIP to see whether this is legal to plant in your state, and whether it survives your winter.

Yes, butterfly bush is widely rated fire resistant, though that does not mean it is fireproof.

Five extension and forestry sources recommend it, spanning the Pacific Northwest, Texas, Arizona, and South Carolina. The combined assessment therefore favors treating this shrub as a fire-resistant landscape plant.

The recommendations differ slightly in scope. The Pacific Northwest extension services list Buddleia as fire resistant and give it a hardiness range of USDA zones 5a to 9b. Oregon State’s educational gallery recommends sterile Buddleia varieties. Texas A&M Forest Service includes butterfly bush among acceptable fire-resistant plants in its “30 feet and beyond” placement band.

The cautions matter as much as the label. Arizona’s extension service says plants on its fire-resistant list tend to resist ignition when irrigated and maintained; it does not call them fireproof. The South Carolina Forestry Commission likewise places butterfly bush among less flammable plants with some fire resistance, rather than claiming it cannot burn. Taken together, the published recommendations support butterfly bush as a fire-resistant choice, provided its placement, irrigation, and maintenance follow the guidance behind the particular recommendation.

Form
shrub
Rated in
OR/WA/ID; Pacific Northwest (Oregon / Washington / Idaho); South Carolina; Texas +1
On this lot

1. Fire evidence and conditions

Fire evidence
Fire-resistant — location does not change the cited classification.
Placement evidence
3 source placement records; source schemes remain separate.
Evidence regions
OR/WA/ID; Pacific Northwest (Oregon / Washington / Idaho); South Carolina; Texas; Yavapai County, Arizona
Typed publication scope: 4 scopes across 4 cited fire sources
  • Fire-Resistant Plants for Home Landscapes (PNW 590) · Official scoped edition
    • ID, OR, WA; partial normalized coverage · 2023-10-01

      The October 2023 joint Pacific Northwest Extension publication explicitly names Oregon, Washington, and Idaho and publishes more than 150 plant profiles. FireApproved has normalized 155 exact plant records from the source; publication scope does not assert that every listed plant suits every site within the three states.

  • Landscaping Can Be Attractive & FIREWISE (Fire Smart Plant List for SC) · Official scoped edition
    • SC; partial normalized coverage

      South Carolina Forestry Commission publishes this explicitly as its Fire Smart Plant List for South Carolina. FireApproved publishes 63 exact genus owners from 72 unique common-name labels; unsafe common-name mappings and duplicates are not broadened. The brochure calls the list non-inclusive and does not establish species-level or site-specific suitability.

  • Firewise Landscaping in Texas: The Right Plant for the Right Place · Official scoped edition
    • TX; partial normalized coverage · 2012-10-08

      Texas A&M Forest Service says the guide's landscape elements apply across Texas and at all scales. FireApproved publishes ten exact genus owners from its placement-band examples and holds Primrose and Bluebells rather than guessing taxa. The examples are not a complete Texas plant palette.

  • Fire-Resistant and Fire-Prone Plants Common to Yavapai County (Bulletin 34) · Official scoped edition
    • Yavapai County (AZ footprint); partial normalized coverage · 2025-03-14

      University of Arizona Cooperative Extension authors Bulletin 34 for Yavapai County. FireApproved publishes 198 exact source owners from its resistant and prone tables and keeps the county boundary visible. County publication scope is regional Arizona context, never statewide scope.

2. Why this plant is relevant here

State distribution
Documented in ID, OR, WA.
USDA hardiness
Documented range 5–9.

3. Legal, ecological, and broader status

How to read this page

The status above is computed from the cited rows below: independent recommendations can support a fire-resistant result, an avoid row can produce keep-away, and disagreement stays visible as conflict. Placement notes preserve each source’s own scheme rather than translating unlike rules into one scale. This is evidence about a plant, not permission to plant it in every part of the defensible space; Zone 0 remains noncombustible.

Plant hardiness evidence

These values describe the plant source. Your ZIP zone comes from the separate 2023 USDA Plant Hardiness Zone Map. Whole-zone values stay whole-zone, and a single unresolved value is not treated as a tolerance range. Different source boundaries stay separate: overlapping statements are compared independently, while only ranges with no shared zone are called a conflict.

Where its sources say to plant it

Placement rules below use each source's own distances or named zones, tied to its rating. They are not interchangeable with the directory's current Zone 0 guidance.

The evidence

Grouped by what each source concluded. Primary evidence rated the plant itself (a lab, field program, or original curation); corroboration compiled or republished another source's rating and resolves to its root lineage.

Recommends (5)

Corroboration (2 rows from 2 sources)

Last verified 2026-08-23. JSON (CC BY 4.0)

Profiles: GBIF · Wikidata ·

Buddleia (Buddleia (sterile varieties)). FireApproved. https://fireapproved.com/plants/buddleia/. Last verified 2026-08-23.